More allowing example config
More allowing example config

Make it more obvious and work by default. Easier to make it more
restrictive if needed. See #6

barryvdh/laravel-cors,webpatser/laravel-cors,sachintaware/laravel-cors,lookitsatravis/laravel-cors,kcalliauw/laravel-cors,rakesh-mohanta/laravel-cors,anteriovieira/laravel-cors